EP1636520B1 - Conduite tubulaire flexible pour le transport de fluide et notamment pour hydrocarbures gazeux, a carcasse et gaine interne anti-turbulence - Google Patents

Conduite tubulaire flexible pour le transport de fluide et notamment pour hydrocarbures gazeux, a carcasse et gaine interne anti-turbulence Download PDF

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Publication number
EP1636520B1
EP1636520B1 EP04767278A EP04767278A EP1636520B1 EP 1636520 B1 EP1636520 B1 EP 1636520B1 EP 04767278 A EP04767278 A EP 04767278A EP 04767278 A EP04767278 A EP 04767278A EP 1636520 B1 EP1636520 B1 EP 1636520B1
Authority
EP
European Patent Office
Prior art keywords
pipe
holes
sheath
carcass
internal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP04767278A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1636520A2 (fr
Inventor
François Dupoiron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technip Energies France SAS
Original Assignee
Technip France SAS
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Filing date
Publication date
Application filed by Technip France SAS filed Critical Technip France SAS
Publication of EP1636520A2 publication Critical patent/EP1636520A2/fr
Application granted granted Critical
Publication of EP1636520B1 publication Critical patent/EP1636520B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
    • F15D1/065—Whereby an element is dispersed in a pipe over the whole length or whereby several elements are regularly distributed in a pipe
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01—Risers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • F16L11/083—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire three or more layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids

Definitions

  • the present invention relates to a flexible tubular pipe of unbound type for the transport of fluid used in the field of offshore oil exploitation. It relates more particularly to an improvement of "rough bore” type pipes (with non-smooth passage). intended for the production or transport of particularly gaseous hydrocarbons.
  • the most used flexible pipes in an oil exploitation are generally of the unbonded type in which the different successive and distinct layers have a certain freedom to move relative to each other, and they comprise, from the inside to the outside, a carcass consisting for example of a stapled strip which serves to prevent crushing of the external pressure pipe, an internal polymer sheath, a pressure vault constituted by at least one wire of stapled form and wound in a low pitch spiral, so-called tensile armor d have the arming angle, measured on the longitudinal axis of the pipe is less than 55 ° and an outer sheath of sealing in polymer.
  • Such a flexible pipe is designated as a hose whose innermost element is constituted by a carcass which forms a rough bore because of the gaps between the turns of the carcass.
  • a flexible pipe comprises, from inside to outside, an internal polymeric sealing sheath, a pressure vault constituted by short-pitch wound form wires and designed to withstand the radial stresses caused by the circulation of the effluents in the flexible pipe, an anti-collapse sheath, one or more tensile and pressure armor wrapped around the anti-collapse sheath and an outer polymer sheath; it is called “smooth-boron" because the innermost element is a smooth-walled waterproof sheath.
  • the flexible pipe does not comprise a pressure vault and the armor plies are spiraled in reverse pitch with crimping angles close to 55 °.
  • the so-called “smooth bore” pipes are used to convey fluids that do not have a gas phase (and therefore, mainly for water injection pipes); indeed, for two-phase fluids, the diffusion, during the flow, of the gases through the polymeric inner sealing sheath causes an increase in the pressure prevailing in the ring around the inner sheath.
  • the pressure in the annulus becomes greater than the internal pressure prevailing in the pipe, for example during decompression, following a production shutdown (in English "shut-down"), the pressure difference can lead to the collapse of the internal polymeric sealing sheath on itself (“collapse”). It is among other things to avoid this risk that it is preferable to have in this case an anti-collapse carcass in the inner polymeric sheath and thus to use a "rough bore” pipe (with non-smooth passage).
  • the carcass is, as recalled in API 17J of the American Petroleum Institute, a tubular layer, in principle internal, formed of a stapled metal winding and intended primarily to prevent collapse or collapse (“collapse") the internal sealing sheath or pipe in the absence of internal pressure in the pipe under the effect of external pressure.
  • the carcass is made most traditionally of corrosion-resistant strip, generally profiled in a shape in section close to a coated S and wound so as to produce stapled turns to each other.
  • various proposals have already been made.
  • the Applicant has also proposed, in the application FR 01 13 748 a mixed-carcass pipe constituted by a winding of at least one elongated metallic element such as a wire and stapled by a strip.
  • the carcass therefore comprises at least partly a strip or a wire of spiral shape.
  • a solution to these problems would be to modify settings at the equipment of the platform or well, thus modifying the conditions of use of the pipes to avoid these phenomena of resonance (pressure reduction, flow, etc.). .
  • these changes in the conditions of use of the pipe can reduce the effects of these eddies by reducing the resonance problems, they do not optimize the use of the pipe or actually solve the problem posed by these vortices.
  • the object of the invention is to find a solution to these problems of vortices and to propose a conduct of structural type "rough boron" allowing gaseous flows no longer present these harmful turbulence nor the associated resonance phenomena.
  • a flexible tubular pipe for oil extraction for the transport of gaseous fluids, in particular gaseous hydrocarbons the pipe being of the unbound type comprising at least one carcass, a polymeric sealing sheath internal sealant for the transported fluid and one or more plies of armor and whose carcass, located inside the inner sealing sheath, is formed by the winding in stapled turns of a profiled element, characterized in that the turns of the carcass are internally covered with a sheath pierced with holes, intended to oppose the turbulence of the fluid flowing in the pipe.
  • the sheath makes it possible to mask the gaps and thus to oppose the turbulences and their effects, both in terms of pressure losses and vibrations induced.
  • the holes of the sheath make it possible to avoid the abovementioned problems of collapse of the anti-turbulence sheath (as for example in case of production stoppage). Moreover, for this purpose, the holes of the pierced sheath are located in part (preferably at least 30% of them) at the inner gaps between the turns.
  • the drilled sheath it is advantageous for the drilled sheath to penetrate partially at the internal gaps between the turns, in order to promote a longitudinal mechanical cling of the anti-turbulence sheath in the carcass, which is particularly advantageous for the use of riser ("riser" in English).
  • riser riser
  • Such a partial depression can be obtained during manufacture, for example if the anti-turbulence sheath is obtained in the form of an expandable sheath disposed inside the carcass and brought to the internal diameter of the carcass according to known lining techniques. .
  • the holes of the pierced sheath are oblong.
  • Their average diameter (reported statistically to circular holes) is between 1 and 8 mm, for example 5 mm. They are disposed longitudinally offset, for example spiral.
  • the holes are arranged with a pitch of between 5 and 100 mm, for example every 20 mm.
  • the pressure vault intended primarily to withstand the internal pressure is not necessary in all situations and, given the extra cost it generates, it is preferred to use a pipe without pressure vault whenever circumstances permit.
  • the invention applies to one case as to the other.
  • the figure 2 shows the constitution of a carcass 2 known from the document EP 0 429 357 , made of the helical winding around an axis XX of a strip 7 formed in flattened S, provided with a supporting wave 8.
  • the inner gaps 9 appearing between the adjacent turns form a closed well and are the cause vortices symbolized by the lines 10 at the level of the flow of gaseous fluid in the pipe, the general flow of which is symbolized by the arrow 11.
  • the outer gaps 12 are closed by the plastic layer of the sheath 3 which surrounds the carcass and flue slightly into the gaps 11 by forming indentations 13.
  • the carcass 2 is internally covered with an anti-turbulence sheath 30 advantageously disposed so as to form slight depressions 33 at the inner gaps 9.
  • the sheath 30 is provided with numerous holes 31, for example three holes 31 of about 5 mm in diameter every 10 mm and staggered by 120 °, the following series being shifted by 10 ° to avoid cumulating the aerodynamic disturbances, so that three spirals 32 of holes 31 are formed, at least a substantial part of which (Preferably at least 30%) will be above the gaps 9 so as to prevent the collapse of the antiturbulence sheath during decompression inside the pipe.
  • the anti-turbulence sheath 30 of the invention in addition to attenuating the induced vibrations, is also effective in reducing flow pressure losses by eliminating turbulence in the gaps: this reduction in pressure drop compensates largely the loss induced by the reduction in passage diameter that results from the presence of the sheath 30 inside the carcass 2.
  • the sheath 30 is polymeric and may be reinforced with fiber or mesh to increase its resistance to collapse.
  • the increase of this resistance to collapse can in particular allow the reduction of the number of holes by increasing the pitch which could then go from 100 mm to several meters.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Pipeline Systems (AREA)
EP04767278A 2003-06-11 2004-06-07 Conduite tubulaire flexible pour le transport de fluide et notamment pour hydrocarbures gazeux, a carcasse et gaine interne anti-turbulence Not-in-force EP1636520B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306995A FR2856131B1 (fr) 2003-06-11 2003-06-11 Conduite tubulaire flexible pour le transport de fluide et notamment d'hydrocarbures gazeux, a carcasse et gaine interne anti-turbulence
PCT/FR2004/001412 WO2004111514A2 (fr) 2003-06-11 2004-06-07 Conduite tubulaire flexible pour le transport de fluide et notamment d’hydrocarbures gazeux, a carcasse et gaine interne anti-turbulence

Publications (2)

Publication Number Publication Date
EP1636520A2 EP1636520A2 (fr) 2006-03-22
EP1636520B1 true EP1636520B1 (fr) 2009-11-11

Family

ID=33484336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04767278A Not-in-force EP1636520B1 (fr) 2003-06-11 2004-06-07 Conduite tubulaire flexible pour le transport de fluide et notamment pour hydrocarbures gazeux, a carcasse et gaine interne anti-turbulence

Country Status (12)

Country Link
US (1) US7318454B2 (pt)
EP (1) EP1636520B1 (pt)
AT (1) ATE448436T1 (pt)
AU (1) AU2004247917B2 (pt)
BR (1) BRPI0411214B1 (pt)
CA (1) CA2528354C (pt)
DE (1) DE602004024062D1 (pt)
DK (1) DK1636520T3 (pt)
FR (1) FR2856131B1 (pt)
NO (1) NO20055877L (pt)
OA (1) OA13214A (pt)
WO (1) WO2004111514A2 (pt)

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FR2877069B1 (fr) * 2004-10-21 2008-03-14 Technip France Sa Conduite flexible stabilisee pour le transport des hydrocarbures
US8714204B2 (en) * 2006-12-18 2014-05-06 Deepflex Inc. Free venting pipe and method of manufacture
FR2915552B1 (fr) 2007-04-27 2009-11-06 Technip France Conduite tubulaire flexible pour le transport d'hydrocarbures gazeux.
GB0820671D0 (en) * 2008-11-12 2008-12-17 Wellstream Int Ltd Armour reinforcement
AU2010312002C1 (en) * 2009-10-28 2015-08-06 National Oilwell Varco Denmark I/S A flexible pipe and a method of producing a flexible pipe
US8967205B2 (en) * 2010-03-17 2015-03-03 Deepflex Inc. Anti-extrusion layer with non-interlocked gap controlled hoop strength layer
WO2012097817A1 (en) 2011-01-20 2012-07-26 National Ollwell Varco Denmark I/S An unbonded flexible pipe
US20140008076A1 (en) * 2011-03-25 2014-01-09 Geir Skaugen Riser
GB201122437D0 (en) 2011-12-29 2012-02-08 Wellstream Int Ltd Flexible pipe body and method of manufacture
FR2989144B1 (fr) * 2012-04-04 2014-05-09 Technip France Assemblage d'une conduite tubulaire flexible pour le transport de fluides d'hydrocarbures avec un tube metallique secondaire
AU2012383961B2 (en) 2012-06-29 2016-12-22 Statoil Petroleum As Flexible pipe carcass for controlling flow induced vibration in a riser
WO2014023516A1 (en) * 2012-08-07 2014-02-13 Wellstream International Limited Flexible pipe body and method of providing the same
GB201221034D0 (en) * 2012-11-22 2013-01-09 Mantaray Innovations Ltd Flexible pipe coupling
GB201306665D0 (en) 2013-04-12 2013-05-29 Wellstream Int Ltd Elongate tape element and method
WO2015028025A1 (en) * 2013-09-02 2015-03-05 National Oilwell Varco Denmark I/S A flexible pipe
CN103711993B (zh) * 2013-12-31 2016-08-17 陆宇航 一种螺旋扣压成型钢塑复合管
FR3017438B1 (fr) 2014-02-11 2016-10-14 Technip France Conduite flexible de transport de fluide et procede associe
FR3017439B1 (fr) 2014-02-13 2016-10-14 Technip France Conduite flexible de transport de fluide munie d'un insert en forme de s etendu et procede de fabrication associe
EP3140578A1 (en) * 2014-05-08 2017-03-15 National Oilwell Varco Denmark I/S A flexible metal tube
CN104153454B (zh) * 2014-08-08 2016-05-18 杭州金民管业有限公司 高强度钢塑检查井
EP3189260A4 (en) * 2014-09-02 2018-01-17 National Oilwell Varco Denmark I/S An unbonded flexible pipe
FR3046452B1 (fr) * 2015-12-31 2018-02-16 Technip France Embout de connexion d'une ligne flexible, dispositif de mesure et procede associe
GB201615345D0 (en) * 2016-09-09 2016-10-26 Ge Oil & Gas Uk Ltd Flexible pipe design and manufacture
GB201620745D0 (en) * 2016-12-06 2017-01-18 Ge Oil & Gas Uk Ltd immobilised insert
CN108825894A (zh) * 2018-09-07 2018-11-16 广州远和船海研究院有限公司 一种海洋用柔性管的骨架层和复合柔性管
CN112815159B (zh) * 2021-01-14 2021-11-02 中国石油大学(北京) 异型材和骨架层以及含该骨架层的海洋复合软管
CN112976255B (zh) * 2021-02-09 2022-03-15 苏州华昇建筑科技有限公司 成孔模件及其制造方法、带有成孔模件的预制构件成型模具

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Also Published As

Publication number Publication date
CA2528354C (fr) 2012-09-25
DK1636520T3 (da) 2010-03-22
CA2528354A1 (fr) 2004-12-23
BRPI0411214A (pt) 2006-07-18
US7318454B2 (en) 2008-01-15
BRPI0411214B1 (pt) 2017-05-23
FR2856131B1 (fr) 2005-07-15
AU2004247917A1 (en) 2004-12-23
NO20055877L (no) 2006-02-13
EP1636520A2 (fr) 2006-03-22
WO2004111514A2 (fr) 2004-12-23
ATE448436T1 (de) 2009-11-15
AU2004247917B2 (en) 2010-08-19
DE602004024062D1 (de) 2009-12-24
FR2856131A1 (fr) 2004-12-17
WO2004111514A3 (fr) 2005-02-17
OA13214A (fr) 2006-12-13
US20060130924A1 (en) 2006-06-22

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